public class girlFriend {
    private String name;
    private int age;
    private String gender;

public void setName(String n) {
    name = n;
}
public String getName() {
    return name;
}
public void setAge(int a) {
    if(a>=18 && a<=25) {
        age = a;
    }else{
        System.out.println("非法参数");
    }
}public int getAge() {
    return age;
    }
public void setGender(String g) {
    gender = g;
}
public String getGender() {
    return gender;
}

    public void sleep(){
        System.out.println("女朋友在睡觉");
    }
    public void eat(){
        System.out.println("女朋友在吃饭");
    }
}
